Heater extension module



FIG. 1 is a perspective view of a heater extension module showing our new design;

FIG. 2 is a front elevational view of the heater extension module of FIG. 1;

FIG. 3 is a rear elevational view of the heater extension module of FIG. 1;

FIG. 4 is a right side elevational view of the extension module heater of FIG. 1;

FIG. 5 is a left side elevational view of the heater extension module of FIG. 1;

FIG. 6 is a top plan view of the heater extension module of FIG. 1; and,

FIG. 7 is a bottom plan view of the heater extension module of FIG. 1.

The broken lines shown in the drawings illustrate portions of the heater extension module that form no part of the claimed design. 

CLAIM The ornamental design for a heater extension module, as shown and described. 